2201100120001 has 4 divisors (see below), whose sum is σ = 2201141221312. Its totient is φ = 2201059018692.

The previous prime is 2201100119989. The next prime is 2201100120019. The reversal of 2201100120001 is 1000210011022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201100120001 - 2¹³ = 2201100111809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201100120001.

It is not an unprimeable number, because it can be changed into a prime (2201100120071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20470221 + ... + 20577466.

It is an arithmetic number, because the mean of its divisors is an integer number (550285305328).

Almost surely, 2^{2201100120001} is an apocalyptic number.

It is an amenable number.

2201100120001 is a deficient number, since it is larger than the sum of its proper divisors (41101311).

2201100120001 is an equidigital number, since it uses as much as digits as its factorization.

2201100120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41101310.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2201100120001 its reverse (1000210011022), we get a palindrome (3201310131023).

The spelling of 2201100120001 in words is "two trillion, two hundred one billion, one hundred million, one hundred twenty thousand, one".